From 6315e654ce0be2d2cc148e9ff80f611ac1176348 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Thu, 6 Nov 2025 17:27:10 +0800
Subject: Refactor Event.

---
 include/cru/ui/controls/Button.h                 | 2 +-
 include/cru/ui/controls/IconButton.h             | 5 +++--
 include/cru/ui/controls/RootControl.h            | 2 +-
 include/cru/ui/controls/TextHostControlService.h | 4 ++--
 4 files changed, 7 insertions(+), 6 deletions(-)

(limited to 'include/cru/ui/controls')

diff --git a/include/cru/ui/controls/Button.h b/include/cru/ui/controls/Button.h
index 3c01be32..e8fa50f1 100644
--- a/include/cru/ui/controls/Button.h
+++ b/include/cru/ui/controls/Button.h
@@ -33,7 +33,7 @@ class CRU_UI_API Button : public SingleChildControl<render::BorderRenderObject>,
     return click_detector_.StateChangeEvent();
   }
 
-  IEvent<helper::ClickEventArgs>* ClickEvent() {
+  IEvent<const helper::ClickEventArgs&>* ClickEvent() {
     return click_detector_.ClickEvent();
   }
 
diff --git a/include/cru/ui/controls/IconButton.h b/include/cru/ui/controls/IconButton.h
index 9e7572e0..e52d2a26 100644
--- a/include/cru/ui/controls/IconButton.h
+++ b/include/cru/ui/controls/IconButton.h
@@ -39,7 +39,7 @@ class CRU_UI_API IconButton : public NoChildControl,
     return click_detector_.StateChangeEvent();
   }
 
-  IEvent<helper::ClickEventArgs>* ClickEvent() {
+  IEvent<const helper::ClickEventArgs&>* ClickEvent() {
     return click_detector_.ClickEvent();
   }
 
@@ -87,7 +87,8 @@ class CRU_UI_API IconButton : public NoChildControl,
   void SetIconWithSvgPathDataString(std::string_view icon_svg_path_data_string,
                                     const Rect& view_port);
   void SetIconWithSvgPathDataStringResourceKey(
-      std::string_view icon_svg_path_data_string_resource_key, const Rect& view_port);
+      std::string_view icon_svg_path_data_string_resource_key,
+      const Rect& view_port);
 
   std::shared_ptr<platform::graphics::IBrush> GetContentBrush() const override {
     return GetIconFillBrush();
diff --git a/include/cru/ui/controls/RootControl.h b/include/cru/ui/controls/RootControl.h
index 5fa8090e..e662b655 100644
--- a/include/cru/ui/controls/RootControl.h
+++ b/include/cru/ui/controls/RootControl.h
@@ -28,7 +28,7 @@ class CRU_UI_API RootControl
 
   Control* attached_control_;
 
-  EventRevokerListGuard
+  EventHandlerRevokerListGuard
       gain_focus_on_create_and_destroy_when_lose_focus_event_guard_;
 };
 }  // namespace cru::ui::controls
diff --git a/include/cru/ui/controls/TextHostControlService.h b/include/cru/ui/controls/TextHostControlService.h
index 529225a7..a9f4f22b 100644
--- a/include/cru/ui/controls/TextHostControlService.h
+++ b/include/cru/ui/controls/TextHostControlService.h
@@ -187,8 +187,8 @@ class CRU_UI_API TextHostControlService : public Object {
 
   Event<std::nullptr_t> text_change_event_;
 
-  EventRevokerListGuard event_guard_;
-  EventRevokerListGuard input_method_context_event_guard_;
+  EventHandlerRevokerListGuard event_guard_;
+  EventHandlerRevokerListGuard input_method_context_event_guard_;
 
   std::string text_;
   TextRange selection_;
-- 
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